Base | Representation |
---|---|
bin | 101011001000… |
… | …101111010001 |
3 | 210021111122021 |
4 | 223020233101 |
5 | 10343323420 |
6 | 1042211441 |
7 | 165054613 |
oct | 53105721 |
9 | 23244567 |
10 | 11307985 |
11 | 6423947 |
12 | 3953b81 |
13 | 245c020 |
14 | 1704db3 |
15 | ed57aa |
hex | ac8bd1 |
11307985 has 8 divisors (see below), whose sum is σ = 14613480. Its totient is φ = 8350464.
The previous prime is 11307979. The next prime is 11308007. The reversal of 11307985 is 58970311.
It is a happy number.
11307985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 1423249 + 9884736 = 1193^2 + 3144^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 11307985 - 213 = 11299793 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 11307985.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86920 + ... + 87049.
It is an arithmetic number, because the mean of its divisors is an integer number (1826685).
Almost surely, 211307985 is an apocalyptic number.
It is an amenable number.
11307985 is a deficient number, since it is larger than the sum of its proper divisors (3305495).
11307985 is a wasteful number, since it uses less digits than its factorization.
11307985 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 173987.
The product of its (nonzero) digits is 7560, while the sum is 34.
The square root of 11307985 is about 3362.7347501699. The cubic root of 11307985 is about 224.4545470751.
The spelling of 11307985 in words is "eleven million, three hundred seven thousand, nine hundred eighty-five".
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